#main ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

#main{
    margin-top: 20px;
}

#main li{
    width: 200px;
    /* height: 350px; */
    margin-bottom: 20px;

}

#main li .ant-card-meta-description{
    font-size: 13px;
    text-overflow:ellipsis;
    overflow:hidden;
    text-overflow:ellipsis;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:3;
}

#main li .ant-card{
    height: 340px;
}